#B3E5EF
Closest named color: Powder Blue (#B0E0E6). oklch(89% 0.053 211.2), rgb(179, 229, 239).
Aa
Black text reads best on this color (15.37:1).
About this color
#B3E5EF is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.053 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.016 away. Black text reads best on it, at 15.37:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.37:1 |
| White text | 1.36:1 |
Values
| HEX | #B3E5EF |
| RGB | rgb(179, 229, 239) |
| HSL | hsl(190, 65%, 82%) |
| OKLCH | oklch(89% 0.053 211.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B3E5EF | 1.36:1 | Fails | Lc -20.5 | Dividers and decoration only |
| Black text on #B3E5EF | 15.37:1 | AAA | Lc 85.8 | Fine for body text |
| #B3E5EF text on white | 1.36:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #B3E5EF text on black | 15.37:1 | AAA | Lc -85.7 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DCEEF1
oklch(93.7% 0.019 208.8)
-
Step 200
200 (this color)
#B3E5EF
oklch(89% 0.053 211.2)
-
Step 300
300
#8CCDDA
oklch(80.9% 0.068 211.5)
-
Step 400
400
#36B2C7
oklch(70.6% 0.109 211.4)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#B3E5EF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #DCE1F0 | 0.050 |
| Deuteranopia (no green cones) | #D2D9EF | 0.047 |
| Tritanopia (no blue cones) | #A0EAE8 | 0.028 |
| Achromatopsia (no color) | #DCDCDC | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3E5EF
#B3E5EF
oklch(89% 0.053 211.2)
- #FCCFC6
#FCCFC6
oklch(89.1% 0.053 31.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B3E5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.016
- Pale Turquoise #AFEEEE ΔE 0.025
- Robin's Egg Blue #98EFF9 ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.035
- Diamond #B9F2FF ΔE 0.037
- Celeste #A8DADC ΔE 0.038
- Robin Egg Blue #8AF1FE ΔE 0.046
- Pale Sky Blue #BDF6FE ΔE 0.047
Use #B3E5EF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.